Choke coil has
Correct answer: D. small resistance, large inductance
- A. large resistance, small inductance
- B. large resistance, large inductance
- C. small resistance, small inductance
- D. small resistance, large inductance
Explanation
A choke coil, also known as an inductor, is a passive electrical component designed to oppose changes in current. It achieves this opposition through its property of inductance, which is measured in Henrys (H).The key characteristic of a choke coil is its high inductance and low resistance.Reasoning:High inductance: A high inductance value creates a larger back electromotive force (EMF) that opposes any change in current flowing through the coil. This is because the changing current induces an opposing EMF in the coil according to Faraday's law of electromagnetic induction.Low resistance: A low resistance allows the current to flow through the coil with minimal energy loss due to Joule heating (heat generated by electrical resistance). This ensures that the choke coil effectively limits current changes while minimizing power dissipation.
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